Pressure controller



FIG. 1 is a top, front end and right side isometric view of a pressure controller showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a presure controller, as shown. 